164
Participants
Start Date
May 26, 2021
Primary Completion Date
February 15, 2024
Study Completion Date
March 21, 2024
Ventilated Cigarette Filter
Ventilated Cigarette Filter
Unventilated Cigarette Filter
Unventilated Cigarette Filter
Ohio State University Comprehensive Cancer Center, Columbus
University of Minnesota Tobacco Research Program, Minneapolis
Ohio State University
OTHER
Masonic Cancer Center, University of Minnesota
OTHER